diff --git a/mercurial_keyring.py b/mercurial_keyring.py
--- a/mercurial_keyring.py
+++ b/mercurial_keyring.py
@@ -235,10 +235,12 @@ class HTTPPasswordHandler(object):
         except AttributeError:
             try:
                 # hg 1.8
-                from mercurial.url import readauthforuri
-            except ImportError:
+                import mercurial.url
+                readauthforuri = mercurial.url.readauthforuri
+            except (ImportError, AttributeError):
                 # hg 1.9
-                from mercurial.httpconnection import readauthforuri
+                import mercurial.httpconnection
+                readauthforuri = mercurial.httpconnection.readauthforuri
             res = readauthforuri(local_ui, base_url)
             if res:
                 group, auth_token = res